<?php if (!defined('THINK_PATH')) exit();?>                <select name="sort" id="" class="drop">
                    <option value="">请选择分类</option>
                    <?php if(is_array($res)): foreach($res as $key=>$vo): ?><option value='<?php echo ($vo["id"]); ?>'><?php echo ($vo["title"]); ?></option><?php endforeach; endif; ?>
                </select>